fassko

// SPDX-License-Identifier: GPL-3.0
pragma solidity ^0.8.0;

import "@openzeppelin/contracts/token/ERC721/ERC721.sol";

import "hardhat/console.sol";

contract Snowflake is ERC721 {
    uint256 private _nextTokenId;

fassko

// SPDX-License-Identifier: GPL-3.0
pragma solidity ^0.8.0;

contract NestedMapping {
    struct Employee {
        string name;
        uint256 salary;
    }

    mapping(string => mapping(address => Employee)) private employees;

fassko

// SPDX-License-Identifier: GPL-3.0

pragma solidity >=0.7.0 <0.9.0;

import "hardhat/console.sol";

contract EntryContract {

    IUnderlyingContract private underlyingContract;

fassko

// SPDX-License-Identifier: MIT

pragma solidity 0.8.21;

contract Employees {
    struct Employee {
        string name;
        uint256 salary;
    }

fassko

// SPDX-License-Identifier: MIT

pragma solidity 0.8.21;


contract NumberGame {

    error ToLowerThanFrom(uint256 from, uint256 to);

    error NumberTooHigh(uint256 from, uint256 number);

fassko

// SPDX-License-Identifier: MIT

pragma solidity 0.8.21;

contract Set {
    // holds items
    // can enumerate over objects
    uint256[] public elements;

    // holds ids

fassko

// SPDX-License-Identifier: MIT

pragma solidity 0.8.21;

contract Set {
    // holds items
    // can enumerate over objects
    uint256[] public items;

    // holds ids

fassko

// SPDX-License-Identifier: MIT

pragma solidity 0.8.21;

import "hardhat/console.sol";

contract Set {
    // holds items
    // can enumerate over objects
    uint256[] public items;

fassko

// SPDX-License-Identifier: MIT

pragma solidity 0.8.18;

import "erc721a/contracts/ERC721A.sol";

contract GasSaverNFT is ERC721A {
  constructor(
    string memory name_,
    string memory symbol_

fassko

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Royalty.sol";

contract Royalties is ERC721Royalty {
    constructor(address _receiver, uint96 feeNumerator) ERC721("Royalties", "RYLT") {
        _setDefaultRoyalty(_receiver, feeNumerator);
    }